Added 9 October 2026 crucially /ˈkɹuːʃəli/ adverb Categories: Describing WordsRare Words adverb ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about crucially at Wordnik → Where our words come from → In a crucial manner. Related Words: importantlyprincipallyprimarilybasicchieflyparticularlyespeciallycriticallymainlymostlyfundamentallybasically Back to today's word